	<title>PMON Target Requirements</title>

	
<h1 align="left">PMON Target Requirements</h1>

<!--INDEX "PMON Target Requirements" --> 
<p>PMON requires somewhere between 256K and 512K Bytes of <a href="romdef.htm">ROM</a> 
  depending on the features selected. It also requires 256K bytes of RAM. </p>
<p>It needs to communicate with a <a href="debgs.htm">debugger</a> running on 
  the <a href="htypes.htm">Host</a> via a UART. </p>
<p>





<h2>PMON Memory Map</h2>

<h2><br>
  RAM</h2>
<br>
<table width="42%" border="1" cellspacing="1" cellpadding="1">
  <tr align="center" valign="top"> 
    <td width="51%" height="27"><b>Top of RAM</b></td>
    <td width="49%" height="27" bgcolor="#CCCCFF">heap</td>
  </tr>
  <tr> 
    <td width="51%" height="51">&nbsp;</td>
    <td width="49%" align="center" bgcolor="#FFCCCC" height="51">bss<br>
      (incl stack) </td>
  </tr>
  <tr> 
    <td width="51%" height="57" valign="bottom" align="center"> 
      <pre><b><font size="+1">0x01000100</font></b></pre>
    </td>
    <td width="49%" align="center" height="57" bgcolor="#CCFFCC">data</td>
  </tr>
  <tr> 
    <td width="51%" height="44" valign="bottom" align="center">
      <pre><b><font size="+1">0x00000000</font></b></pre>
    </td>
    <td width="49%" align="center" height="44" bgcolor="#FF99FF">excep vects</td>
  </tr>
</table>
<br>
<pre>
  ROM<br>
</pre>
<pre>    Approx <b>ff07ffff</b>       +---------------+
                          |     data      |
                          | copied to RAM |
                          +---------------+
                          |     text      |
                          |    (code)     |
                          +---------------+
                          |  <a href="vecttbl.htm">entry points</a> |
                          +---------------+
                          |  ASCII text   |
           <b>fff00000</b>       +---------------+
     ** Based on PowerPC startup characteristics...
</pre>









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